1379771-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1379771-65-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,9,7,7 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1379771-65:
(9*1)+(8*3)+(7*7)+(6*9)+(5*7)+(4*7)+(3*1)+(2*6)+(1*5)=219
219 % 10 = 9
So 1379771-65-9 is a valid CAS Registry Number.